Exhibit 99.15 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-C KEY PERFORMANCE FACTORS January 31, 1999 Expected B Maturity 4/16/01 Blended Coupon 5.1790% Excess Protection Level 3 Month Average 5.78% January, 1999 5.74% December, 1998 5.84% November, 1998 5.74% Cash Yield 18.21% Investor Charge Offs 4.95% Base Rate 7.52% Over 35 Day Delinquency 5.29% Seller's Interest 8.19% Total Payment Rate 14.12% Total Principal Balance $40,086,865,639.98 Investor Participation Amount $500,000,000.00 Seller Participation Amount $3,284,946,121.49